Tasks and questions
Vocabulary exercises
I. Read the text and discuss it with your group mates.
I I. Guess the meaning of these words:
tiny elementary magnets, ultramicroscopic, magnetizing field, external objects, soft iron, Induction, the permanent magnet, hardened steel, magnetizing field
III. Go back to the text. Insert the missing words and finish the sentences
1. The modern theory of magnetism, which is now quite firmly established as being correct, is that a piece of iron consists …. 2. Before a piece of iron or steel has been magnetized, these elementary magnets may be thought of as being oriented more or less …. 3. During the time a piece of iron is being magnetized, these elementary magnets are turned around and lined up parallel to each other and…. 4. When a magnet is broken at any point, free S poles are exposed at one side of the break and free N poles…. 5.
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